/*----------------中间内容------------------*/
.middle {
    display: flex;
    justify-content: center;
}

.middle > div {
    width: 800px;
    margin: 50px 0;
    border: 1px solid rebeccapurple;
}

.middle > div > div:nth-child(2) {
    padding: 10px;
    overflow: hidden;

}

.title {
    border-bottom: 1px solid rebeccapurple;
}

/*------------具体内容------------*/
.content{
    margin: 50px 0;
}
.content > div:nth-child(1) {
    text-align: center;
}

.content > div:nth-child(1) > div:nth-child(1) {
    display: flex;
    justify-content: center;

}

.content > div:nth-child(1) > div:nth-child(1) > div {
    display: flex;
    align-items: center;
}

.content > div:nth-child(1) > div:nth-child(1) > div > div:nth-child(1) {
    color: #E59037;
    font-size: 25px;
}

.content > div:nth-child(1) > div:nth-child(1) > div > div:nth-child(2) {
    color: gray;
    font-size: 15px;
}

.content > div:nth-child(1) > div:nth-child(2) {
    font-size: 10px;
}

/*--------------------------留言内容-------------*/
.content > div:nth-child(2) {
    display: flex;
    justify-content: center;

}

.content > div:nth-child(2) > div {
    /*border: 1px solid red;*/
    width: 450px;
}

.content > div:nth-child(2) > div > div > div:nth-child(1) {
    line-height: 40px;
}

/*分组选择器*/
input, textarea {
    width: 450px;
    border: 1px dashed rebeccapurple;
}

/*元素选择器*/
textarea {
    height: 100px;
}

/*--------button------*/
input[type=button] {
    padding: 10px 30px;
    background-color: #E59037;
    width: 100px;
}

.content > div:nth-child(2) > div > div:last-child {
    display: flex;
    justify-content: center;
    margin: 20px;
}
